/* ============================================================
   GD-E Rechnungstool — Globales Stylesheet
   Designsprache abgeleitet von www.gd-e.de:
   - Monochromatisch (Schwarz / Hellgrau-Blau / Weiß)
   - Amiko als primäre Schriftart
   - RUN-GDE-Rot als sparsamer Akzent (Verbindung zum Logo)
   ============================================================ */

/* --- Amiko (Google Fonts) --- */
@import url("https://fonts.googleapis.com/css2?family=Amiko:wght@400;600;700&display=swap");

:root {
  /* Hintergründe */
  --bg:           #d3d9dd;          /* Site-Hintergrund (gd-e.de Modal-Body) */
  --bg-soft:      #e3e7ea;          /* Hellere Variante */
  --card:         #ffffff;          /* Karten / Modals */
  --card-strong:  #fafbfc;

  /* Header / Footer-Streifen */
  --header-bg:    #000000;
  --header-fg:    #ffffff;
  --header-fg-muted: rgba(255,255,255,0.55);

  /* Trennlinien */
  --border:       #b9c1c6;          /* gd-e.de Modal-Footer-Border */
  --border-soft:  #d6dadd;
  --border-strong:#8b949b;

  /* Text */
  --text:         #212529;          /* Bootstrap-Dark */
  --text-soft:    #495057;
  --muted:        #6c757d;          /* Bootstrap-Secondary */

  /* Akzente */
  --accent:       #8a1a25;          /* RUN-GDE-Rot */
  --accent-dark:  #6d141c;
  --accent-soft:  rgba(138, 26, 37, 0.10);
  --ok:           #198754;
  --ok-soft:      #e7f5ec;
  --warn:         #a06000;
  --warn-soft:    #fff1d6;
  --danger-soft:  #fbe8ea;

  /* Sonstiges */
  --radius:       10px;
  --radius-lg:    14px;
  --shadow-card:  0 1px 2px rgba(0,0,0,0.04);
  --shadow-modal: 0 12px 40px rgba(0,0,0,0.22);
  --font:         "Amiko", "Helvetica Neue", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
}

/* --- Reset & Base --- */
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 12px; }

/* --- Top-Bar (schwarzer Streifen mit Tool-Titel + Nav) --- */
.topbar {
  background: var(--header-bg);
  color: var(--header-fg);
  padding: 10px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 30;
  box-shadow: 0 1px 0 rgba(0,0,0,0.15);
}
.topbar .brand {
  display: flex; align-items: center; gap: 12px;
  font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; font-size: 14px;
}
.topbar .brand img { height: 32px; width: auto; }
.topbar .brand .sub {
  font-weight: 400; opacity: 0.55; text-transform: none;
  letter-spacing: 0; font-size: 13px; margin-left: 6px;
}
.topbar nav { display: flex; flex-wrap: wrap; gap: 6px; }
.topbar nav a {
  color: var(--header-fg-muted);
  font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.06em;
  font-weight: 600;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
}
.topbar nav a:hover { color: var(--header-fg); background: rgba(255,255,255,0.07); text-decoration: none; }
.topbar nav a.active { color: var(--header-fg); background: rgba(255,255,255,0.10); }

/* User-Info + Logout in der Topbar */
.topbar .topbar-user {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--header-fg-muted);
  margin-left: 4px;
}
.topbar .topbar-user .who {
  font-weight: 600; color: var(--header-fg);
  text-transform: none; letter-spacing: 0;
}
.topbar .topbar-user .logout-btn {
  color: var(--header-fg-muted);
  text-transform: uppercase; letter-spacing: 0.06em;
  font-weight: 600; font-size: 11px;
  padding: 5px 9px; border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.18);
  text-decoration: none;
}
.topbar .topbar-user .logout-btn:hover {
  color: var(--header-fg); background: rgba(255,255,255,0.07);
  text-decoration: none;
}

/* --- Container --- */
.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 22px 18px 80px;
}
.container.narrow  { max-width: 760px; }
.container.wide    { max-width: 1200px; }

h1 { font-size: 22px; font-weight: 700; margin: 4px 0 18px; }
h2 {
  font-size: 12px; font-weight: 700; margin: 18px 0 8px;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em;
}

/* --- Cards --- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 16px 12px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-card);
}
.card.flat { box-shadow: none; }
.card.clickable { cursor: pointer; transition: border-color 0.15s; }
.card.clickable:hover { border-color: var(--border-strong); }

/* --- Forms --- */
label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin: 10px 0 4px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
input[type=text], input[type=date], input[type=number], input[type=email],
input[type=search], input[type=tel], select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 16px;
  background: #ffffff;
  color: var(--text);
  font-family: inherit;
  line-height: 1.4;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #000;
  box-shadow: 0 0 0 3px rgba(0,0,0,0.10);
}
textarea { min-height: 100px; resize: vertical; }

.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 0; }
.row > .grow2 { flex: 2; }
.row > .grow3 { flex: 3; }

/* --- Buttons --- */
button, .btn, a.btn {
  border: 1px solid var(--border-strong);
  background: #ffffff;
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: 0.02em;
  text-decoration: none;
  display: inline-block;
  line-height: 1.2;
  transition: background 0.12s, border-color 0.12s;
}
button:hover, .btn:hover { background: var(--bg-soft); }
button.primary, .btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
button.primary:hover, .btn.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
button.dark, .btn.dark {
  background: #000;
  color: #fff;
  border-color: #000;
}
button.dark:hover, .btn.dark:hover { background: #1a1a1a; }
button.success, .btn.success {
  background: var(--ok);
  color: #fff;
  border-color: var(--ok);
}
button.success:hover, .btn.success:hover { background: #146c43; }
button.secondary, .btn.secondary {
  background: #fff;
  color: var(--text);
  border-color: var(--border-strong);
}
button.danger, .btn.danger {
  background: #fff;
  color: var(--accent);
  border-color: var(--accent);
}
button.ghost, .btn.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px dashed var(--border-strong);
}
button:disabled, .btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-sm, button.btn-sm { padding: 6px 10px; font-size: 13px; }

/* --- Status pills --- */
.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.pill.ok        { background: var(--ok-soft);     color: var(--ok); }
.pill.warn,
.pill.open,
.pill.reminded,
.pill.duplicate { background: var(--warn-soft);   color: var(--warn); }
.pill.err,
.pill.missing,
.pill.dunned,
.pill.declined  { background: var(--danger-soft); color: var(--accent); }
.pill.paid,
.pill.accepted  { background: var(--ok-soft);     color: var(--ok); }
.pill.cancelled,
.pill.expired,
.pill.storno    { background: #e9ecef;            color: var(--muted); }
.pill.auto      { background: var(--ok-soft);     color: var(--ok); }
.pill.manual    { background: #e9ecef;            color: var(--muted); }
.pill.inactive  { background: var(--danger-soft); color: var(--accent); }
.pill.due       { background: var(--warn-soft);   color: var(--warn); }

/* --- Status-Banner --- */
.status-msg, .status {
  padding: 12px 14px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 12px;
  border: 1px solid transparent;
}
.status-msg.ok, .status.ok {
  background: var(--ok-soft); color: var(--ok); border-color: #b8e0c5;
}
.status-msg.err, .status.err {
  background: var(--danger-soft); color: var(--accent); border-color: #f1c1c6;
}

/* --- Totals box (im Formular) --- */
.totals {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.85;
}
.totals .row { justify-content: space-between; gap: 16px; }
.totals .gross { font-weight: 700; font-size: 16px; }

/* --- Sticky action bar im Formular --- */
.actions {
  position: sticky;
  bottom: 0;
  padding: 14px 0;
  background: linear-gradient(to top, var(--bg) 70%, rgba(211,217,221,0));
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.actions button, .actions .btn { flex: 1; min-width: 140px; }

/* --- Empty state --- */
.empty {
  color: var(--muted);
  text-align: center;
  padding: 40px 20px;
  font-size: 14px;
}

/* --- Help text --- */
.help { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* --- Modal overlay --- */
.overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  display: none;
  align-items: flex-start;
  justify-content: center;
  z-index: 80;
  padding: 20px;
  overflow-y: auto;
}
.overlay.open { display: flex; }
.modal {
  background: var(--card);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  padding: 0;
  box-shadow: var(--shadow-modal);
  overflow: hidden;
}
.modal .modal-head {
  background: #000;
  color: #fff;
  padding: 12px 18px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  opacity: 1;
}
.modal .modal-body { padding: 16px 18px 8px; }
.modal .modal-foot {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  padding: 12px 18px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.modal .modal-foot .left { margin-right: auto; }

/* --- Mobile tweaks --- */
@media (max-width: 480px) {
  .actions { flex-direction: column; }
  .actions button, .actions .btn { width: 100%; }
  .topbar { padding: 8px 12px; }
  .container { padding: 14px 12px 60px; }
}